v3.24.3
Additional Financial Information (Summary of Cash Paid for Interest and Taxes) (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Cash paid (received) during the period for:    
Interest $ 5,615 $ 5,703
Income taxes, net of refunds 882 758
Payments to Acquire Property, Plant and Equipment 13,420 13,252
Interest during construction 288 750
Acquisitions 322 923
Business acquisitions    
Cash paid (received) during the period for:    
Acquisitions 0 0
Spectrum Licenses    
Cash paid (received) during the period for:    
Acquisitions 153 309
Interest during construction 169 614
Property, Plant and Equipment [Member]    
Cash paid (received) during the period for:    
Payments to Acquire Property, Plant and Equipment 13,301 13,116
Interest during construction $ 119 $ 136